71857640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{105673}}^1$

素因数の和:105701

約数の個数: 32

約数和(自身を含む): 171191880

約数和(自身を除く): 99334240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 105673, 211346, 422692, 528365, 845384, 1056730, 1796441, 2113460, 3592882, 4226920, 7185764, 8982205, 14371528, 17964410, 35928820, 71857640]

約数ペア:

[(1, 71857640), (2, 35928820), (4, 17964410), (5, 14371528), (8, 8982205), (10, 7185764), (17, 4226920), (20, 3592882), (34, 2113460), (40, 1796441), (68, 1056730), (85, 845384), (136, 528365), (170, 422692), (340, 211346), (680, 105673)]